<template>
  <div class="app-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <!-- <el-input v-model="listQuery.name" clearable class="filter-item" style="width: 200px;" placeholder="请输入广告标题" /> -->
      <!-- <el-input v-model="listQuery.content" clearable class="filter-item" style="width: 200px;" placeholder="请输入广告内容" /> -->
      <!-- <el-button v-permission="['GET /admin/ad/list']" class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">查找</el-button> -->
      <el-button v-permission="['POST /admin/videoConfig/addVideo']" class="filter-item" type="primary" icon="el-icon-edit" @click="handleCreate">添加</el-button>
      <!-- <el-button :loading="downloadLoading" class="filter-item" type="primary" icon="el-icon-download" @click="handleDownload">导出</el-button> -->
    </div>

     <!-- 查询结果 -->
    <el-table v-loading="listLoading" :data="list" element-loading-text="正在查询中。。。" border fit highlight-current-row>

      <el-table-column align="center" label="ID" prop="id" sortable />

      <el-table-column align="center" label="描述" prop="desc" />


      <!-- <el-table-column align="center" label="视频路径" prop="videoUrl">
        <template slot-scope="scope">
          <img v-if="scope.row.backUrl" :src="scope.row.backUrl" width="80">
        </template>
      </el-table-column> -->

   <!--
      <el-table-column align="center" label="banner位置" prop="address" />
      -->
      <el-table-column align="center" label="视频路径" prop="videoUrl" />

      <!-- <el-table-column align="center" label="活动链接" prop="pictureUrl" /> -->

      <el-table-column align="center" label="是否启用" prop="enable">
        <template slot-scope="scope">
          <el-tag :type="scope.row.enable ? 'success' : 'error' ">{{ scope.row.enable == 1 ? '启用' : '不启用' }}</el-tag>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="200" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button v-permission="['POST /admin/videoConfig/updateVideo']" type="primary" size="mini" @click="handleUpdate(scope.row)">编辑</el-button>
          <el-button v-permission="['GET /admin/videoConfig/deleteVideo']" type="danger" size="mini" @click="handleDelete(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" @pagination="getList" />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="dataForm" status-icon label-position="left" label-width="100px" style="width: 400px; margin-left:50px;">
        <el-form-item label="描述" prop="desc">
          <el-input v-model="dataForm.desc" />
        </el-form-item>
         <el-form-item label="视频封面" prop="videoFace">
          <el-upload
            :headers="headers"
            :action="uploadPath"
            :show-file-list="false"
            :on-success="uploadUrl"
            :before-upload="checkFileSize"
            class="avatar-uploader"
            accept=".jpg,.jpeg,.png,.gif"
          >
            <img v-if="dataForm.videoFace" :src="dataForm.videoFace" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon" />
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过1024kb</div>
          </el-upload>
        </el-form-item> 
        <el-form-item label="视频上传" prop="Video">
        <!-- action必选参数, 上传的地址 -->
            <el-upload class="avatar-uploader el-upload--text" :headers="headers" :action="uploadPath" :show-file-list="false" :on-success="handleVideoSuccess" :before-upload="beforeUploadVideo" :on-progress="uploadVideoProcess">
                <video v-if="dataForm.videoUrl !='' && videoFlag == false" :src="dataForm.videoUrl" class="avatar" controls="controls">您的浏览器不支持视频播放</video>
                <i v-else-if="dataForm.videoUrl =='' && videoFlag == false" class="el-icon-plus avatar-uploader-icon"></i>
                <el-progress v-if="videoFlag == true" type="circle" :percentage="videoUploadPercent" style="margin-top:30px;"></el-progress>
            </el-upload>
            <P class="text">请保证视频格式正确，且不超过10M</P>
        </el-form-item>
        <!-- <el-form-item label="位置" prop="address">
          <el-select v-model="dataForm.address" placeholder="请选择">
            <el-option :value="1" label="首页" />
          </el-select>
        </el-form-item> -->
        <el-form-item label="是否启用" prop="enable">
          <el-select v-model="dataForm.enable" placeholder="请选择">
            <el-option :value="1" label="启用" />
            <el-option :value="0" label="不启用" />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<style>
.avatar-uploader1{
    width: 500px;
}
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}
.avatar {
  width: 145px;
  height: 145px;
  display: block;
}
</style>

<script>
import { queryVideoList, addVideo, updateBanner, deleteBannerById } from '@/api/config'
import { uploadPath } from '@/api/storage'
import { getToken } from '@/utils/auth'
import Pagination from '@/components/Pagination' // Secondary package based on el-pagination

export default {
  name: 'video',
  components: { Pagination },
  data() {
    return {
        dialogImageUrl:'',
        videoFlag:true,
        videoUploadPercent:0,
        dialogVisible: false,
        disabled: false,
      uploadPath,
      list: [],
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: undefined,
        content: undefined,
        sort: 'add_time',
        order: 'desc'
      },
      dataForm: {
        id: undefined,
        name: undefined,
        content: undefined,
        videoFace: undefined,
        link: undefined,
        position: 1,
        videoUrl:'',
        enabled: true
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: '编辑',
        create: '创建'
      },
      rules: {
        name: [
          { required: true, message: '广告标题不能为空', trigger: 'blur' }
        ],
        content: [
          { required: true, message: '广告内容不能为空', trigger: 'blur' }
        ],
        url: [{ required: true, message: '广告链接不能为空', trigger: 'blur' }]
      },
      downloadLoading: false
    }
  },
  computed: {
    headers() {
      return {
        'X-Litemall-Admin-Token': getToken()
      }
    }
  },
  created() {
    this.getList()
  },
  mounted(){
  },
  methods: {
    getList() {
      this.listLoading = true
      queryVideoList(this.listQuery)
        .then(response => {
          this.list = response.data.data.list
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    
beforeUploadVideo(file) {
    const isLt10M = file.size / 1024 / 1024  < 10;
    if (['video/mp4', 'video/ogg', 'video/flv','video/avi','video/wmv','video/rmvb'].indexOf(file.type) == -1) {
        this.$message.error('请上传正确的视频格式');
        return false;
    }
    if (!isLt10M) {
        this.$message.error('上传视频大小不能超过10MB哦!');
        return false;
    }
},
handleVideoSuccess(res, file) {                               //获取上传图片地址
    this.videoFlag = false;
    this.videoUploadPercent = 0;
    console.log(res)
    // if(res.status == 200){
    //     this.videoForm.videoUploadId = res.data.uploadId;
    //     this.videoForm.Video = res.data.uploadUrl;
    // }else{
    //     this.$message.error('视频上传失败，请重新上传！');
    // }
    this.dataForm.videoUrl = res.data.url
},

uploadVideoProcess (event, file, fileList) {
        console.log(event.percent, file, fileList)
        this.videoFlag = true
        // this.videoUploadPercent = file.percentage.toFixed(0)
        // this.videoUploadPercent = event.percent.toFixed(0)
        this.videoUploadPercent = Math.floor(event.percent)
      },

    handleRemove(file) {
        console.log(file);
        console.log(this.dialogImageUrl)
      },
      handlePictureCardPreview(file) {
        this.dialogImageUrl = file.url;
        this.dialogVisible = true;
      },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: undefined,
        content: undefined,
        videoFace: undefined,
        link: undefined,
        position: 1,
        enabled: true
      }
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.videoFlag = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    uploadUrl: function(response) {
        // console.log(response)
      this.dataForm.videoFace = response.data.url
    },
    checkFileSize: function(file) {
      if (file.size > 1048576) {
        this.$message.error(`${file.name}文件大于1024KB，请选择小于1024KB大小的图片`)
        return false
      }
      return true
    },
    createData() {
        console.log(this.dataForm)
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          addVideo(this.dataForm)
            .then(response => {
              this.list.unshift(response.data.data)
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '创建成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.videoFlag = false
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          updateBanner(this.dataForm)
            .then(() => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.dataForm)
                  break
                }
              }
              this.dialogFormVisible = false
              this.$notify.success({
                title: '成功',
                message: '更新广告成功'
              })
            })
            .catch(response => {
              this.$notify.error({
                title: '失败',
                message: response.data.errmsg
              })
            })
        }
      })
    },
    handleDelete(row) {
      console.log(row)
      deleteBannerById({id:row})
        .then(response => {
          this.$notify.success({
            title: '成功',
            message: '删除成功'
          })
          this.getList()
        })
        .catch(response => {
          this.$notify.error({
            title: '失败',
            message: response.data.errmsg
          })
        })
    }
  }
}
</script>
